11^15.1 



NATURAL SCIENCES OF PHILADELPHIA 



445 



Borates : 

 Oxides ; 1 : 1 : 



2:3: 



double; spinels 



misc. 



c. Weathered 

 Silicon oxides: 

 Silicates : 

 Carbonates : 



Oxides; hydroxy-: 

 Hydroxides : 



siderite, synadelphite, tiinkite^ 

 hematolite, arseniopleite, man- 

 ganostibiite, sarkinite, chon- 

 drarsenite, cirrolite, cacoxenite^ 

 beraunite, calcioferrite, borick- 

 ite, wardite, zepharovichite 



sussexite, pinakiolite 



manganosite, zincite 



hematite 



magnetite, franklinite, gahnite^. 

 jacobsite 



longbanite 



quartz, chalcedony 

 calamine, friedelite, chloropal 

 rhodochrosite, smithsonite, hydro- 



zincite 

 limonite 

 chalcophanite, pyrochroite 



II. 1. D. Saline Sediments 

 a. Primary 



Carbonates; calcites: 



aragonites: 

 double; hydrou.'^ 



chloro-, etc.: 

 Sulfates; anhydrous: 



simple, hydrous: 

 double, hydrous : 



Borates ; anhydrous : 



simple, hydrous: 



sulfo- 



calcite, dolomite 



aragonite, strontianite 



natron, gaylussite, trona, pirs- 

 sonite 



northupite, tychite, hanksite, 

 kainite, sulfohalite 



anhydrite, celestite, barite; 

 thenardite, aphthitalite, lang- 

 beinite, glauberite, vanrthoffite 



miral)ilite, kieserite, epsomite, 

 gypsum 



leonite, blodite, loweite, picro- 

 merite, natrochalcite, syngenite, 

 pickeringite, boussingaultite 



boracite 



borax, pinnoite, ascharite, lar- 

 derellite, lagonite, l^echilite, 

 ulexite, hydroboracite, heintzite 



sulfoborite 



